Navigation » List of Schools » Los Angeles Trade Technical College » Chemistry » Chem 101 – General Chemistry I » Spring 2021 » Chapter 1 Homework Quiz
Below are the questions for the exam with the choices of answers:
Question #1
A 0.470 cm3
B 4.70 × 102 cm3
C 4.70 × 103 cm3
D 47.0 cm3
Question #2
A 3.861 × 105 mL
B none of these
C 4.339 × 105 mL
D 386.1 mL
Question #3
A 5.97 × 103 g
B 1.23 × 103 g
C 2.71 × 103 g
D 5.97 g
Question #4
A 7.4 × 103 in
B 6.2 × 102 in
C 8.9 × 104 in
D 8.6 in
E 17. in
Question #5
A 3
B 2
C 4
D 1
Question #6
A 139.42
B 139.4
C 140
D 139
Question #7
A 3.27 x 101
B 3.2 x 10-1
C 3.27 x 10-1
D 3 x 101
E 3.3 x 101
Question #10
A TRUE
B FALSE
Question #11
A 8.21 × 105 kg
B 8.21 kg
C 0.0821 kg
D 0.821 kg
E 8.21 × 104 kg
Question #12
A 2.7 × 10–3
B 2.7 × 10–2
C 2.7 × 103
D 2.7 × 102
E 2.7 × 101
Question #13
A 10–9 and 109
B 10–9 and 106
C 109 and 106
D 106 and 10-9
Question #14
A melting of zinc
B a burning candle
C crushing of stone
D dissolving sugar in water
Question #15
A Physical properties can be observed without attempting to change the identity of the substance.
B Physical properties relate to elements rather than compounds.
C At most one of the adults has high blood pressure.
D Physical properties describe elements in the solid state rather than in the liquid or gas state.
E Physical properties appear only after a chemical change occurs.
Question #16
A Copper metal
B Sodium chloride
C Pure water
D Gasoline
E Soil
Question #18
A De-ionized water
B trail mix
C sea water
D tap water
Question #23
A observation
B theory
C natural law
D measurement
E experiment
Question #24
A experiment
B observation
C natural law
D measurement
E theory
